/**
 * 剑指 Offer 10- I. 斐波那契数列
 * https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof/
 */

// eslint-disable-next-line max-len
const cache = [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, 514229, 832040, 1346269, 2178309, 3524578, 5702887, 9227465, 14930352, 24157817, 39088169, 63245986, 102334155, 165580141, 267914296, 433494437, 701408733, 134903163, 836311896, 971215059, 807526948, 778742000, 586268941, 365010934, 951279875, 316290802, 267570670, 583861472, 851432142, 435293607, 286725742, 722019349, 8745084, 730764433, 739509517, 470273943, 209783453, 680057396, 889840849, 569898238, 459739080, 29637311, 489376391, 519013702, 8390086, 527403788, 535793874, 63197655, 598991529, 662189184, 261180706, 923369890, 184550589, 107920472, 292471061, 400391533, 692862594, 93254120, 786116714, 879370834, 665487541, 544858368, 210345902, 755204270, 965550172, 720754435, 686304600, 407059028, 93363621, 500422649, 593786270, 94208912, 687995182];

/**
 * @param {number} n
 * @return {number}
 */
function fib(n) {
  return cache[n];
}

console.log(fib(100));
